Popular Science

The most lofty clouds measured last year were at a height of 36,000 feet and moved at 149 miles an hour.

Professor Darwin says that ultimately the day and the month will be equal, being equivalent to fifty-five of our present days.

The experiments of Muller prove that if microbes be placed in a gun barrel the wound made by a bullet fired from it would be infected by the microbes.

The opinion of Sir John Herschel that the southern portion of the Milky Way, under the Southern Cross, is nearer to us than the northern is quoted against the assertion of Professor Wallace that we are in the center of the universe.

A star with a period of four hours and thirteen seconds has been discovered photometrically at Potsdam, Germany. Hitherto the shortest day observed is that of a star in the cluster of Omega Centauri, which has a period of seven hours and eleven minutes.